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.#question. Discuss the problem which may arise during concurrency control and recovery in distributed database which are not encountered in controlized database environment.
what is primary key
explain multi key file organisation
Authorisation Authorisation is the culmination of the administrative policies of the organisation. As the name shows, authorisation is a set of rules that can be used to verif
#A multinational tour operator agency has gained new business growth in the North American market through the use of social media. Its operation has expanded by 50% within six mont
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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